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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-05-15 11:17:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-05-15 11:17:41 -0700 |
| commit | 0336104dcba613586cd22279db445840d4ebcdeb (patch) | |
| tree | 94df76934cc043810211f9de59d9d62ac20ec491 /mm/page_isolation.c | |
| parent | f0897f4cc0fcdd2410ba0ff0bc1bc64e6e72672a (diff) | |
| parent | b0dc2b9bb4ab782115b964310518ee0b17784277 (diff) | |
| download | linux-0336104dcba613586cd22279db445840d4ebcdeb.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"8 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm, numa: really disable NUMA balancing by default on single node machines
MAINTAINERS: update Jingoo Han's email address
CMA: page_isolation: check buddy before accessing it
uidgid: make uid_valid and gid_valid work with !CONFIG_MULTIUSER
kernfs: do not account ino_ida allocations to memcg
gfp: add __GFP_NOACCOUNT
tools/vm: fix page-flags build
drivers/rtc/rtc-armada38x.c: remove unused local `flags'
Diffstat (limited to 'mm/page_isolation.c')
| -rw-r--r-- | mm/page_isolation.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c index 755a42c76eb4..303c908790ef 100644 --- a/mm/page_isolation.c +++ b/mm/page_isolation.c @@ -101,7 +101,8 @@ void unset_migratetype_isolate(struct page *page, unsigned migratetype) buddy_idx = __find_buddy_index(page_idx, order); buddy = page + (buddy_idx - page_idx); - if (!is_migrate_isolate_page(buddy)) { + if (pfn_valid_within(page_to_pfn(buddy)) && + !is_migrate_isolate_page(buddy)) { __isolate_free_page(page, order); kernel_map_pages(page, (1 << order), 1); set_page_refcounted(page); |